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A decade is a period of 10 years. The word is derived from the Ancient Greek: δεκάς (transliteration=dekas), which means a group of ten. Other words for spans of years also c ..more definition+
In relation to the base unit of [time] => (seconds), 1 Hipparchic Cycles (HC) is equal to 9593424000 seconds, while 1 Decades (dec) = 315400000 seconds.216000000 Hipparchic Cycles | to common time units |
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216000000 HC | = 2072179584000000000 seconds (s) |
216000000 HC | = 34536326400000000 minutes (min) |
216000000 HC | = 575605440000000 hours (hr) |
216000000 HC | = 23983560000000 days (day) |
216000000 HC | = 3426222857142.9 weeks (wk) |
216000000 HC | = 65708383561.644 years (yr) |
216000000 HC | = 788500602739.73 months (mo) |
216000000 HC | = 6570005022.194 decades (dec) |
216000000 HC | = 657000502.2194 centuries (cent) |
216000000 HC | = 65700050.22194 millenniums (mill) |